//
// Created by jsjxsy on 2022/8/19.
//operator type() const;
//
#include <iostream>
using namespace std;
class LongDouble {
 public:
  operator float();
  operator double();
};
LongDouble::operator double() {
  return 0;
}
LongDouble::operator float() {
  return 0;
}
int main() {
  LongDouble ld;
  //int a1 = ld;
  float a2 = ld;
  cout << "a2=" << a2 << endl;
  return 0;
}